<html>

<head>
  <title>CSS overflow testing</title>

  <link rel="stylesheet" type="text/css"
        href="chrome://mochikit/content/tests/SimpleTest/test.css" />

  <style>
    a.link:focus {
      overflow: scroll;
    }
  </style>

  <script type="application/javascript"
          src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
  <script type="application/javascript"
          src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>

  <script type="application/javascript"
          src="../common.js"></script>
  <script type="application/javascript"
          src="../events.js"></script>

  <script type="application/javascript">
    ////////////////////////////////////////////////////////////////////////////
    // Invokers

    function focusAnchor(aID)
    {
      this.linkNode = getNode(aID);
      this.link = getAccessible(this.linkNode);

      this.eventSeq = [
        new invokerChecker(EVENT_FOCUS, getAccessible, this.linkNode)
      ];

      this.invoke = function focusAnchor_invoke()
      {
        this.linkNode.focus();
      }

      this.check = function focusAnchor_check(aEvent)
      {
        todo_is(this.link, aEvent.accessible,
                "Focus should be fired against new link accessible!");
      }

      this.getID = function focusAnchor_getID()
      {
        return "focus a:focus{overflow:scroll} #1";
      }
    }

    function tabAnchor(aID)
    {
      this.linkNode = getNode(aID);
      this.link = getAccessible(this.linkNode);

      this.eventSeq = [
        new invokerChecker(EVENT_FOCUS, getAccessible, this.linkNode)
      ];

      this.invoke = function tabAnchor_invoke()
      {
        synthesizeKey("VK_TAB", { shiftKey: false });
      }

      this.check = function tabAnchor_check(aEvent)
      {
        todo_is(this.link, aEvent.accessible,
                   "Focus should be fired against new link accessible!");
      }

      this.getID = function tabAnchor_getID()
      {
        return "focus a:focus{overflow:scroll} #2";
      }
    }

    ////////////////////////////////////////////////////////////////////////////
    // Do tests

    var gQueue = null;
    //gA11yEventDumpID = "eventdump"; // debug stuff
    //gA11yEventDumpToConsole = true;

    function doTests()
    {
      // Shift+Tab not working, and a test timeout, bug 746977
      if (MAC) {
        todo(false, "Shift+tab isn't working on OS X, needs to be disabled until bug 746977 is fixed!");
        SimpleTest.finish();
        return;
      }

      gQueue = new eventQueue();

      // CSS 'overflow: scroll' property setting and unsetting causes accessible
      // recreation (and fire show/hide events). For example, the focus and
      // blur of HTML:a with ':focus {overflow: scroll; }' CSS style causes its
      // accessible recreation. The focus event should be fired on new
      // accessible.
      gQueue.push(new focusAnchor("a"));
      gQueue.push(new tabAnchor("a2"));

      gQueue.invoke(); // Will call SimpleTest.finish();
    }

    SimpleTest.waitForExplicitFinish();
    addA11yLoadEvent(doTests);
  </script>
</head>

<body>

  <a target="_blank"
     href="https://bugzilla.mozilla.org/show_bug.cgi?id=591163"
     title="mochitest for bug 413777: focus the a:focus {overflow: scroll;} shouldn't recreate HTML a accessible">
    Mozilla Bug 591163
  </a><br>
  <a target="_blank"
     title="Rework accessible tree update code"
     href="https://bugzilla.mozilla.org/show_bug.cgi?id=570275">
    Mozilla Bug 570275
  </a><br>
  <a target="_blank"
     title="Text control frames should accept dynamic changes to the CSS overflow property"
     href="https://bugzilla.mozilla.org/show_bug.cgi?id=686247">
    Mozilla Bug 686247
  </a><br>

  <p id="display"></p>
  <div id="content" style="display: none"></div>
  <pre id="test">
  </pre>
  <div id="eventdump"></div>

  <div>
    <a id="a" class="link" href="www">link</a>
  </div>
  <div>
    <a id="a2" class="link" href="www">link2</a>
  </div>
</body>
</html>
